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Shrinkage for Conduit Bending Explained
Due to a ton of questions about Shrinkage for Conduit Bending in this video I explained how it works. Not every Electrician will factor in Shrinkage for conduit bending which is fine, but there happens to be more than than I expected.
Shrinkage is used for those that want to maximize their conduit and as long as you have the correct measurement adding for shrinkage is simple. I personally use it when I am not in a rush and have time to figure it out. Below I have the list of degrees and shrinkage for each.
DEGREE OF BEND SHRINKAGE PER INCH OF RISE
10 1/16"
22.5 3/16"
30 1/4"
45 3/8"
60 1/2"
Email me at sparkyinstructor@gmail.com
Пікірлер: 94
You are the best at explaining, and you’re not even holding a pipe or bending while doing it. Bravo, man. Your explanations have helped immensely.
Who gave this guy a thumb down... He one of the best to explain bends and more.... Thank you Craig
@craigmichaud-electricalins4602
4 жыл бұрын
You cant please everyone!! I am glad you learned from it!! CM
@majorpain8620
4 жыл бұрын
Haters gonna hate that's what they do
@triguer1
3 жыл бұрын
Ever hear of the internet? even if you are 100% perfect someone will hate you.
Been running pipe for years and never had this explained to me. Great video
@nym5635
7 ай бұрын
That's scary lol I could imagine how great your pipe work is not knowing this. I learned this as a 1st year apprentice been an electrician for 20 years
Mr. Michaud, I'm a 53 year old guy who's enrolled in an Electrical Technology program at the local university. I greatly appreciate your attention to detail and visual aids to help me understand the specifics in conduit bending and all your electrical videos. I'm glad I subscribed. Thank you, sir.
Enjoyed the video and glad you finally mentioned what everyone wanted to hear from the beginning. Exactly "where" to add the shrinkage is something most of the KZreadrs forget to mention.
Hi Craig. I just want to thank you for your videos. I got my electrician license last year, your videos helped me o lot to understand electricity and codes. God bless you. Thank you 🙏
Thanks maestro for all your advice and i love to watch your videos thanks again
Been waiting on you to make this shrinkage vid! Decided today to do a little studying on the matter and viola, you uploaded this recently! Thank you 1000 times
I have came across your videos and no one has ever showed me the proper way to bend conduit. I have always made it work and cut off whatever but this helps especially being in HVACR and not ever going through classes for bending conduit. Thanks again
I’m a plumber, and this video helped me out today. There’s a real shortage in stainless steel compression fittings where I’m from right now. So I had to make as many bends as possible(lines are for a detergent system in a train shop)
Huge help brother, no more coming down from the ladder because my bend is 1 1/4 inches too long
Thank you very much please keep making videos.
My man. Your channel is awesome. I am an electrician as well and do youtube and make electrical videos as well. . Your channel is very helpful and I enjoy watching your explanations. Keep them coming my friend and you now have a new sub. Great job!!!
Thank you this video helped me grasp the concept of shrinkage I subscribed Thank you soo much
awesome videos, I am currently doing conduit bending in class and these videos are so helpful! thank you!
@TheMarkoPoloProgram
5 жыл бұрын
I feel like I know you. Do you go to George Brown College?
@alejandroWar23
4 жыл бұрын
@@TheMarkoPoloProgram because he looks like the neighborhood tweaker 😂
@TheMarkoPoloProgram
4 жыл бұрын
@@alejandroWar23 Yo chill. I know this guy. He worked for a contractor doing electrical work on roller coasters at Wonderland in Vaughn, Ontario, Canada.
I keep on forgetting how to do the calculation even after I bend it right, this is a nice video thanks.
Great job explaining 👏
I’m having such a hard time with this concept could you make a video of what would happen if you used shrink and what would happen if you did not use it just to visualize it. that would be so helpful. Thank you so much for the great content.
Craig I don't know what to say both you are amazing brother
Clear explanation, perhaps in the future video need to show actual measurement actual conduit and the difference or displacement of bended conduit that shrinkages realy affects the lenght of the conduit. Thank you for sharing your expertise.
Just what I was missing my guy thank you this makes perfect sense
@IamTaryn-fo3fz
Жыл бұрын
Can you go more in detail though with offset bending when marking your first bend?
@IamTaryn-fo3fz
Жыл бұрын
Just a quick description
I've been watching your conduit bending videos. They are really helpful for a trainee like me. Thank you, Craig.
Thank you so much for this Craig, your entire channel is an absolute boon. I hope you can make more content. Thank you.
Thank you bro you are awesome, please continue doing what you do.
@craigmichaud-electricalins4602
4 жыл бұрын
That is the plan. Thank you for your support. CM
Just a quick question. What would be the shrinkage on a 60 degree kick... or a 30 degree kick. So basically not the full off set. Cant find the answer anywhere. Thx bro.
Dude thank you so much I finally understood the assignment 🙌
6:50 that's all I needed. Thank you. I will try to calculate shrinkage. If I fail, I know where I'm coming
Proofreading this video that my apprentice found. He was an arbitrary bender (lower class than 30°) that sought out deeper explanation beyond what I was showing him. Please include Kicking a 90° as an offset and why bending on centers is a cheaters way to do easier shrinkage calculations.
Great job!
Thank you for sharing your knowledge. Great information.
Great teacher
Gracias por la informacion
Perfect. Well Done.
great info.
Great job Craig
Wouldve been awesome if you showed an example 👍🏾
Very helpful explanation THANKS
Great video and very helpful.
Thank You so much for this video ‼️🎉👌🏾
Great detail
Love this, very informative.
do u have a video on shrinkage with example problems?
Can you make a video with this same subject using a four sadle bend not cutting the conduit and having start Pont and ending point I will appreciate it if you do a video like that with the drawing/math and the actual bending process again thanks
You are the best , thk for your help
So if you have a 7.5 rise and are bending a 45, it is calculated at 3/8” per inch. What is done with the 1/2”? Thank you sir
Thank you so much for everything.
So if I have a 4 inch offset I add 1 inch at my first bend to make it 5 and my second mark would be 8 for a 30° offset
Looking forward to the video ...thank u
Good job, keep up the good work
Make a Video on all the calculations of the bends, need some help
Very informative video thanks for sharing !!! Thanks craig
Thank you
Gracias
Thanks for this video brother
awesome thank you!
Can you do a video of a hands on example of conduit shrinkage if you havent done it already?
Thanks you
👍
This helped but I would love to see this in action with an obstruction and pipe hands on thank none the less 🙏🏼
Hi Craig does the size of the pipe change the shrinkage ? Also this always confused me, if I have a 4 inch square box mounted to the wall and I have a hole drilled in the floor the pipe is lets say 12 inches to the wall so I need to offset the pipe to go un to the box, would I make the offset 12 inches or would I minus the distance of the knockout in the box ?
A Craig I like you video
Good vídeo broh..blesses for yoy
yes great video it did help.
Do you have a video about how to bend a 4 point offset from a starting point? I.e. from the end of last pipe to the offset and over it.
If you do a 22.5, 45, 22.5 - 3 pt saddle , what shrinkage do u use . The 22.5 degree or the 45 degree ? Thanks in advance Paul
Do you know the trig calculation behind the shrinkage numbers?
Is "shrinkage" the same thing as "take-up?"
What about saddle bends how do you do shrinkage Do you use the number for the 45 or the number for 22?
@craigmichaud-electricalins4602
5 жыл бұрын
This is a great question! You only add shrinkage to the Center bend or the 45. Thank you for your question!! CM
Thank you 🙏
thak you so much.
thanks
I bend all in a row. I've found that you're shrinkage is wrong the way bend. I bend at 30°and I've found that my way is much faster and way more accurate too. My shrinkage is 3" per bend regardless of the height. So I mark my 1st line with the bender at the end of the 4 point, facing the end of the stick, the distance from the bend of the show to the flat party is roughly 3-1/4" just at that to each bend and your can place it down properly with no issues for a30°bend 4 point saddle andhow bend takes like 2 minutes. Just letting your know cause your normally have to turn the bender 2 times in each direction. My way is better and faster cause your can eyeball it and bend in the air
I bend all in a row. I've found that your shrinkage is wrong the way i bend. I bend at 30°and I've found that my way is much faster and way more accurate too. My shrinkage is 3" per bend regardless of the height. So I mark my 1st line with the bender at the end of the 4 point, facing the end of the stick, the distance from the bend of the shoe to the flat part is roughly 3-1/4" just add that to each bend and you can place it down properly with no issues for a 30° bend 4 point saddle and how i bend takes like 2 minutes. Just letting you know cause you normally have to turn the bender 2 times in each direction. My way is better and faster cause you can eyeball it and bend in the air
@craigmichaud-electricalins4602
3 жыл бұрын
Wow, you know the longer you do something the better you get at it. Without the basics you cant ever get to that level!! I enjoy finding out what others do to make it work!! Thanks for your comment!! CM
@stevensapyak7971
3 жыл бұрын
12.6.20. @ Will Holsey. I would like to see you do a video of what you’re explaining it’s very intriguing 🤔
Hi bud great info it will be nice if you show it in a peace of pipe bud
George Costanza knows about shrinkage, I'd try and learn from him as well
@alejandroWar23
4 жыл бұрын
😂
Did you bend those conduits behind you? None match, where was the planning?
Hell yeah
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He’s good but too much beating around the bush.